SD2931-12MR Datasheet, PDF (8/16 Pages) STMicroelectronics – Excellent thermal stability

Typical performance
4.1
Typical performance (175 MHz)
SD2931-12MR
Figure 9: Output power vs. input power
Figure 10: Output power vs. input power at different
Tc
270
240
210
180
150
120
90
60
30
0
0
Vdd= 50V
Vdd= 40V
f= 175MHz
Idq= 250mA
5
10
15
20
25
P , INPUT POWER (W)
IN
270
240
210
180
150
120
90
60
30
0
0
Tc =-20 °C
Tc =+25 °C
Tc =+80 °C
Vdd= 50V
Idq= 250mA
f= 175MHz
5
10
15
20
25
P , INPUT POWER (W)
IN
Figure 11: Power gain vs. output power
18
16
14
12
10
Vdd=50V
8
Idq=250mA
f=175Mhz
6
0
50
100
150
200
250
P , INPUT POWER (W)
OUT
Figure 12: Efficiency vs. output power
80
70
60
50
40
Vdd=50V
30
Idq=250mA
f=175Mhz
20
0
50
100
150
200
250
P , INPUT POWER (W)
OUT
Figure 13: Output power vs. supply voltage
270
240
Pin =10W
210
Pin =5W
180
150
Pin =2.5W
120
90
60
Idq= 250mA
30
f= 175MHz
0
24
28
32
36
40
44
48
52
V_DD, DRAIN VOLTAGE (V)
Figure 14: Drain current vs. gate-source voltage
20
Tc=-20 °C
Tc=+25 °C
15
10
Tc=+80 °C
5
0
2
2.5
3
3.5
4
4.5
5
5.5
6
V , GATE-SOURCE VOLTAGE (V)
GS
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